328531157845 has 64 divisors (see below), whose sum is σ = 442522828800. Its totient is φ = 232101103360.

The previous prime is 328531157819. The next prime is 328531157861. The reversal of 328531157845 is 548751135823.

It is not a de Polignac number, because 328531157845 - 2¹⁷ = 328531026773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 328531157792 and 328531157801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 240329352 + ... + 240330718.

It is an arithmetic number, because the mean of its divisors is an integer number (6914419200).

Almost surely, 2^328531157845 is an apocalyptic number.

It is an amenable number.

328531157845 is a deficient number, since it is larger than the sum of its proper divisors (113991670955).

328531157845 is a wasteful number, since it uses less digits than its factorization.

328531157845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058.

The product of its digits is 4032000, while the sum is 52.

The spelling of 328531157845 in words is "three hundred twenty-eight billion, five hundred thirty-one million, one hundred fifty-seven thousand, eight hundred forty-five".